PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/07-22:57:50
G08     298.8          21.4                8.0 +/-    1.48      17.0 +/-    1.48  0.040 / 0.070
G10     6.6            62.7                7.7 +/-    1.00       8.6 +/-    1.00  0.060 / 0.080
G14     227.1          42.3               11.3 +/-    1.90      15.8 +/-    1.90  0.060 / 0.110
G20     63.3           52.7                9.6 +/-    1.27      11.7 +/-    1.27  0.090 / 0.120
G21     145.8          43.5               11.3 +/-    1.67      15.6 +/-    1.67  0.110 / 0.290
G24     59.1           27.2                8.6 +/-    1.60      16.1 +/-    1.60  0.100 / 0.260
G27     257.0          33.2                9.6 +/-    2.19      15.8 +/-    2.19  0.030 / 0.030
G32     241.1          66.3                9.6 +/-    1.02      10.3 +/-    1.02  0.040 / 0.030